PaginationRenderer::setMaxPagesToShow() - Code Metrics - Inspection of "More tests on dialogs." - jaxon-php/jaxon-core - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 6eb156...b34d93 )

by Thierry

created 2022-04-05 13:39 UTC

PaginationRenderer::setMaxPagesToShow() A

↳ Parent: PaginationRenderer

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	1
dl	0
loc	6
rs	10
c	0
b	0
f	0

<?php

/**
 * PaginationRenderer.php - Paginator renderer
 *
 * Render pagination links.
 *
 * @package jaxon-core

 * @author Thierry Feuzeu <[email protected]>
 * @copyright 2016 Thierry Feuzeu <[email protected]>
 * @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
 * @link https://github.com/jaxon-php/jaxon-core
 */


namespace Jaxon\Ui\Pagination;

use Jaxon\Request\Call\Call;
use Jaxon\Request\Call\Parameter;
use Jaxon\Ui\View\ViewRenderer;
use Jaxon\Ui\View\Store;

use function array_map;
use function array_pop;
use function array_shift;
use function array_walk;
use function floor;

class PaginationRenderer

{
    /**
     * The template renderer.
     *
     * Will be used to render HTML code for links.
     *
     * @var ViewRenderer
     */
    protected $xRenderer = null;


    /**
     * The Jaxon request to be paginated
     *
     * @var Call
     */
    protected $xCall = null;

    /**
     * @var string
     */
    protected $sPreviousText = '&laquo;';

    /**
     * @var string
     */
    protected $sNextText = '&raquo;';

    /**
     * @var string
     */
    protected $sEllipsysText = '...';

    /**
     * @var integer
     */
    protected $nTotalPages = 0;

    /**
     * @var integer
     */
    protected $nCurrentPage = 0;

    /**
     * @var integer
     */
    protected $nMaxPages = 10;

    /**
     * The class constructor
     *
     * @param ViewRenderer  $xRenderer

     */
    public function __construct(ViewRenderer $xRenderer)

    {
        $this->xRenderer = $xRenderer;
    }


    /**
     * Set the text for the previous page link
     *
     * @param string $sText    The text for the previous page link

     *
     * @return void
     */
    public function setPreviousText(string $sText)
    {
        $this->sPreviousText = $sText;
    }


    /**
     * Set the text for the next page link
     *
     * @param string $sText    The text for the previous page link

     *
     * @return void
     */
    public function setNextText(string $sText)
    {
        $this->sNextText = $sText;
    }


    /**
     * Set the request to be paginated
     *
     * @param Call $xCall    The request to be paginated

     *
     * @return void
     */
    public function setRequest(Call $xCall)
    {
        $this->xCall = $xCall;
        // Append the page number to the parameter list, if not yet given.
        if(!$this->xCall->hasPageNumber())
        {
            $this->xCall->addParameter(Parameter::PAGE_NUMBER, 0);
        }
    }


    /**
     * Set the current page number
     *
     * @param int $nCurrentPage    The current page number

     *
     * @return void
     */
    public function setCurrentPage(int $nCurrentPage)
    {
        $this->nCurrentPage = $nCurrentPage;
    }


    /**
     * Set the max number of pages to show
     *
     * @param int $nMaxPages    The max number of pages to show

     *
     * @return void
     */
    public function setMaxPages(int $nMaxPages)
    {
        $this->nMaxPages = $nMaxPages;
        if($this->nMaxPages < 4)
        {
            $this->nMaxPages = 4;
        }
    }


    /**
     * Get the js call to a given page
     *
     * @param int $pageNum    The page number

     *
     * @return string
     */
    protected function getPageCall(int $pageNum): string
    {
        return $this->xCall->setPageNumber($pageNum)->getScript();
    }


    /**
     * Render a link to a page.
     *
     * @param string $sTemplate    The template for the link to the page

     * @param string $sText    The text of the link if it is enabled

     * @param string $sCall    The call of the link if it is enabled

     *
     * @return null|Store
     */
    protected function renderLink(string $sTemplate, string $sText, string $sCall): ?Store
    {
        return $this->xRenderer->render('pagination::links/' . $sTemplate, [
            'text' => $sText,
            'call' => $sCall,
        ]);
    }


    /**
     * Get the previous page data.
     *
     * @return array
     */
    protected function getPrevLink(): array
    {
        if($this->nCurrentPage <= 1)
        {
            return ['disabled', $this->sPreviousText, ''];
        }
        return ['enabled', $this->sPreviousText, $this->getPageCall($this->nCurrentPage - 1)];
    }


    /**
     * Get the next page data.
     *
     * @return array
     */
    protected function getNextLink(): array
    {
        if($this->nCurrentPage >= $this->nTotalPages)
        {
            return ['disabled', $this->sNextText, ''];
        }
        return ['enabled', $this->sNextText, $this->getPageCall($this->nCurrentPage + 1)];
    }


    /**
     * Get a page data.
     *
     * @param integer $nNumber    The page number

     *
     * @return array
     */
    protected function getPageLink(int $nNumber): array
    {
        if($nNumber < 1)
        {
            return ['disabled', $this->sEllipsysText, ''];
        }
        $sTemplate = ($nNumber === $this->nCurrentPage ? 'current' : 'enabled');
        return [$sTemplate, $nNumber, $this->getPageCall($nNumber)];
    }


    /**
     * Get the array of page numbers to be printed.
     *
     * Example: [1, 0, 4, 5, 6, 0, 10]
     *
     * @return array
     */
    protected function getPageNumbers(): array
    {
        $aPageNumbers = [];

        if($this->nTotalPages <= $this->nMaxPages)
        {
            for($i = 0; $i < $this->nTotalPages; $i++)
            {
                $aPageNumbers[] = $i + 1;
            }

            return $aPageNumbers;
        }

        // Determine the sliding range, centered around the current page.
        $nNumAdjacents = (int)floor(($this->nMaxPages - 4) / 2);

        $nSlidingStart = 1;
$a = "a";
$ab = "ab";
$abc = "abc";
        $nSlidingEndOffset = $nNumAdjacents + 3 - $this->nCurrentPage;
        if($nSlidingEndOffset < 0)
        {
            $nSlidingStart = $this->nCurrentPage - $nNumAdjacents;
$a = "a";
$ab = "ab";
$abc = "abc";
            $nSlidingEndOffset = 0;
        }

        $nSlidingEnd = $this->nTotalPages;
$a = "a";
$ab = "ab";
$abc = "abc";
        $nSlidingStartOffset = $this->nCurrentPage + $nNumAdjacents + 2 - $this->nTotalPages;
        if($nSlidingStartOffset < 0)
        {
            $nSlidingEnd = $this->nCurrentPage + $nNumAdjacents;
$a = "a";
$ab = "ab";
$abc = "abc";
            $nSlidingStartOffset = 0;
        }

        // Build the list of page numbers.
        if($nSlidingStart > 1)
        {
            $aPageNumbers[] = 1;
            $aPageNumbers[] = 0; // Ellipsys;
        }
        for($i = $nSlidingStart - $nSlidingStartOffset; $i <= $nSlidingEnd + $nSlidingEndOffset; $i++)
        {
            $aPageNumbers[] = $i;
        }
        if($nSlidingEnd < $this->nTotalPages)
        {
            $aPageNumbers[] = 0; // Ellipsys;
            $aPageNumbers[] = $this->nTotalPages;
        }

        return $aPageNumbers;
    }


    /**
     * Get the pages.
     *
     * @param integer $nTotalPages    The total number of pages

     *
     * @return array
     */
    public function getPages(int $nTotalPages): array
    {
        $this->nTotalPages = $nTotalPages;

        $aPageNumbers = $this->getPageNumbers();
        $aPages = [$this->getPrevLink()];
$a = "a";
$ab = "ab";
$abc = "abc";
        array_walk($aPageNumbers, function($nNumber) use(&$aPages) {
            $aPages[] = $this->getPageLink($nNumber);
        });
        $aPages[] = $this->getNextLink();

        return $aPages;
    }


    /**
     * Render an HTML pagination control.
     *
     * @param integer $nTotalPages    The total number of pages

     *
     * @return null|Store
     */
    public function render(int $nTotalPages): ?Store
    {
        $aLinks = array_map(function($aPage) {
            return $this->renderLink($aPage[0], $aPage[1], $aPage[2]);
        }, $this->getPages($nTotalPages));

        $aPrevLink = array_shift($aLinks); // The first entry in the array
        $aNextLink = array_pop($aLinks); // The last entry in the array
        return $this->xRenderer->render('pagination::wrapper',
            ['links' => $aLinks, 'prev' => $aPrevLink, 'next' => $aNextLink]);
    }

}


1			<?php
2
3			/**
4			* PaginationRenderer.php - Paginator renderer
5			*
6			* Render pagination links.
7			*
8			* @package jaxon-core
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9			* @author Thierry Feuzeu <[email protected]>
10			* @copyright 2016 Thierry Feuzeu <[email protected]>
11			* @license https://opensource.org/licenses/BSD-3-Clause BSD 3-Clause License
12			* @link https://github.com/jaxon-php/jaxon-core
13			*/
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14
15			namespace Jaxon\Ui\Pagination;
16
17			use Jaxon\Request\Call\Call;
18			use Jaxon\Request\Call\Parameter;
19			use Jaxon\Ui\View\ViewRenderer;
20			use Jaxon\Ui\View\Store;
21
22			use function array_map;
23			use function array_pop;
24			use function array_shift;
25			use function array_walk;
26			use function floor;
27
28			class PaginationRenderer
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29			{
30			/**
31			* The template renderer.
32			*
33			* Will be used to render HTML code for links.
34			*
35			* @var ViewRenderer
36			*/
37			protected $xRenderer = null;
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38
39			/**
40			* The Jaxon request to be paginated
41			*
42			* @var Call
43			*/
44			protected $xCall = null;
45
46			/**
47			* @var string
48			*/
49			protected $sPreviousText = '«';
50
51			/**
52			* @var string
53			*/
54			protected $sNextText = '»';
55
56			/**
57			* @var string
58			*/
59			protected $sEllipsysText = '...';
60
61			/**
62			* @var integer
63			*/
64			protected $nTotalPages = 0;
65
66			/**
67			* @var integer
68			*/
69			protected $nCurrentPage = 0;
70
71			/**
72			* @var integer
73			*/
74			protected $nMaxPages = 10;
75
76			/**
77			* The class constructor
78			*
79			* @param ViewRenderer $xRenderer
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80			*/
81			public function __construct(ViewRenderer $xRenderer)
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82			{
83			$this->xRenderer = $xRenderer;
84			}
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85
86			/**
87			* Set the text for the previous page link
88			*
89			* @param string $sText The text for the previous page link
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90			*
91			* @return void
92			*/
93			public function setPreviousText(string $sText)
94			{
95			$this->sPreviousText = $sText;
96			}
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97
98			/**
99			* Set the text for the next page link
100			*
101			* @param string $sText The text for the previous page link
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102			*
103			* @return void
104			*/
105			public function setNextText(string $sText)
106			{
107			$this->sNextText = $sText;
108			}
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109
110			/**
111			* Set the request to be paginated
112			*
113			* @param Call $xCall The request to be paginated
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114			*
115			* @return void
116			*/
117			public function setRequest(Call $xCall)
118			{
119			$this->xCall = $xCall;
120			// Append the page number to the parameter list, if not yet given.
121			if(!$this->xCall->hasPageNumber())
122			{
123			$this->xCall->addParameter(Parameter::PAGE_NUMBER, 0);
124			}
125			}
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126
127			/**
128			* Set the current page number
129			*
130			* @param int $nCurrentPage The current page number
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131			*
132			* @return void
133			*/
134			public function setCurrentPage(int $nCurrentPage)
135			{
136			$this->nCurrentPage = $nCurrentPage;
137			}
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138
139			/**
140			* Set the max number of pages to show
141			*
142			* @param int $nMaxPages The max number of pages to show
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143			*
144			* @return void
145			*/
146			public function setMaxPages(int $nMaxPages)
147			{
148			$this->nMaxPages = $nMaxPages;
149			if($this->nMaxPages < 4)
150			{
151			$this->nMaxPages = 4;
152			}
153			}
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154
155			/**
156			* Get the js call to a given page
157			*
158			* @param int $pageNum The page number
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159			*
160			* @return string
161			*/
162			protected function getPageCall(int $pageNum): string
163			{
164			return $this->xCall->setPageNumber($pageNum)->getScript();
165			}
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166
167			/**
168			* Render a link to a page.
169			*
170			* @param string $sTemplate The template for the link to the page
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171			* @param string $sText The text of the link if it is enabled
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172			* @param string $sCall The call of the link if it is enabled
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173			*
174			* @return null\|Store
175			*/
176			protected function renderLink(string $sTemplate, string $sText, string $sCall): ?Store
177			{
178			return $this->xRenderer->render('pagination::links/' . $sTemplate, [
179			'text' => $sText,
180			'call' => $sCall,
181			]);
182			}
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183
184			/**
185			* Get the previous page data.
186			*
187			* @return array
188			*/
189			protected function getPrevLink(): array
190			{
191			if($this->nCurrentPage <= 1)
192			{
193			return ['disabled', $this->sPreviousText, ''];
194			}
195			return ['enabled', $this->sPreviousText, $this->getPageCall($this->nCurrentPage - 1)];
196			}
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197
198			/**
199			* Get the next page data.
200			*
201			* @return array
202			*/
203			protected function getNextLink(): array
204			{
205			if($this->nCurrentPage >= $this->nTotalPages)
206			{
207			return ['disabled', $this->sNextText, ''];
208			}
209			return ['enabled', $this->sNextText, $this->getPageCall($this->nCurrentPage + 1)];
210			}
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211
212			/**
213			* Get a page data.
214			*
215			* @param integer $nNumber The page number
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216			*
217			* @return array
218			*/
219			protected function getPageLink(int $nNumber): array
220			{
221			if($nNumber < 1)
222			{
223			return ['disabled', $this->sEllipsysText, ''];
224			}
225			$sTemplate = ($nNumber === $this->nCurrentPage ? 'current' : 'enabled');
226			return [$sTemplate, $nNumber, $this->getPageCall($nNumber)];
227			}
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228
229			/**
230			* Get the array of page numbers to be printed.
231			*
232			* Example: [1, 0, 4, 5, 6, 0, 10]
233			*
234			* @return array
235			*/
236			protected function getPageNumbers(): array
237			{
238			$aPageNumbers = [];
239
240			if($this->nTotalPages <= $this->nMaxPages)
241			{
242			for($i = 0; $i < $this->nTotalPages; $i++)
243			{
244			$aPageNumbers[] = $i + 1;
245			}
246
247			return $aPageNumbers;
248			}
249
250			// Determine the sliding range, centered around the current page.
251			$nNumAdjacents = (int)floor(($this->nMaxPages - 4) / 2);
252
253			$nSlidingStart = 1;
			0 ignored issues – show Coding Style introduced 2019-11-20 07:47 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 5 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
254			$nSlidingEndOffset = $nNumAdjacents + 3 - $this->nCurrentPage;
255			if($nSlidingEndOffset < 0)
256			{
257			$nSlidingStart = $this->nCurrentPage - $nNumAdjacents;
			0 ignored issues – show Coding Style introduced 2019-11-20 07:47 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 5 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
258			$nSlidingEndOffset = 0;
259			}
260
261			$nSlidingEnd = $this->nTotalPages;
			0 ignored issues – show Coding Style introduced 2019-12-02 04:47 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 9 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
262			$nSlidingStartOffset = $this->nCurrentPage + $nNumAdjacents + 2 - $this->nTotalPages;
263			if($nSlidingStartOffset < 0)
264			{
265			$nSlidingEnd = $this->nCurrentPage + $nNumAdjacents;
			0 ignored issues – show Coding Style introduced 2019-11-20 07:47 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 9 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
266			$nSlidingStartOffset = 0;
267			}
268
269			// Build the list of page numbers.
270			if($nSlidingStart > 1)
271			{
272			$aPageNumbers[] = 1;
273			$aPageNumbers[] = 0; // Ellipsys;
274			}
275			for($i = $nSlidingStart - $nSlidingStartOffset; $i <= $nSlidingEnd + $nSlidingEndOffset; $i++)
276			{
277			$aPageNumbers[] = $i;
278			}
279			if($nSlidingEnd < $this->nTotalPages)
280			{
281			$aPageNumbers[] = 0; // Ellipsys;
282			$aPageNumbers[] = $this->nTotalPages;
283			}
284
285			return $aPageNumbers;
286			}
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287
288			/**
289			* Get the pages.
290			*
291			* @param integer $nTotalPages The total number of pages
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292			*
293			* @return array
294			*/
295			public function getPages(int $nTotalPages): array
296			{
297			$this->nTotalPages = $nTotalPages;
298
299			$aPageNumbers = $this->getPageNumbers();
300			$aPages = [$this->getPrevLink()];
			0 ignored issues – show Coding Style introduced 2022-01-20 07:54 UTC by Report Bug Copy Issue Report Equals sign not aligned with surrounding assignments; expected 7 spaces but found 1 space This check looks for multiple assignments in successive lines of code. It will report an issue if the operators are not in a straight line. To visualize $a = "a"; $ab = "ab"; $abc = "abc"; will produce issues in the first and second line, while this second example $a = "a"; $ab = "ab"; $abc = "abc"; will produce no issues. Loading history...
301			array_walk($aPageNumbers, function($nNumber) use(&$aPages) {
302			$aPages[] = $this->getPageLink($nNumber);
303			});
304			$aPages[] = $this->getNextLink();
305
306			return $aPages;
307			}
			0 ignored issues – show Coding Style introduced 2022-01-20 07:54 UTC by Report Bug Copy Issue Report Expected 2 blank lines after function; 1 found Loading history...
308
309			/**
310			* Render an HTML pagination control.
311			*
312			* @param integer $nTotalPages The total number of pages
			0 ignored issues – show Coding Style introduced 2022-03-10 08:42 UTC by Report Bug Copy Issue Report Expected 1 spaces after parameter name; 4 found Loading history...
313			*
314			* @return null\|Store
315			*/
316			public function render(int $nTotalPages): ?Store
317			{
318			$aLinks = array_map(function($aPage) {
319			return $this->renderLink($aPage[0], $aPage[1], $aPage[2]);
320			}, $this->getPages($nTotalPages));
321
322			$aPrevLink = array_shift($aLinks); // The first entry in the array
323			$aNextLink = array_pop($aLinks); // The last entry in the array
324			return $this->xRenderer->render('pagination::wrapper',
325			['links' => $aLinks, 'prev' => $aPrevLink, 'next' => $aNextLink]);
326			}
			0 ignored issues – show Coding Style introduced 2019-12-07 05:40 UTC by Report Bug Copy Issue Report Expected 2 blank lines after function; 0 found Loading history...
327			}
328

jaxon-php / jaxon-core

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PaginationRenderer::setMaxPagesToShow() A

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